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overview changedmodels/sonnet-4-5/overview

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3535 
3636### Model IDs
3737 
38| Platform | Model ID |
39| :--------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------ |
40| Claude API | `claude-sonnet-4-5-20250929` |
41| Claude API alias | `claude-sonnet-4-5` |
42| [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy) | `anthropic.claude-sonnet-4-5-20250929-v1:0` |
43| [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed) | `claude-sonnet-4-5@20250929` |
44| [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) | `claude-sonnet-4-5` |
45| [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws) | `claude-sonnet-4-5` |
46| [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/anthropic-managed) | `claude-sonnet-4-5-20250929` |
38| Platform | Model ID |
39| :--------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------------- |
40| Claude API | `claude-sonnet-4-5-20250929` |
41| Claude API alias | `claude-sonnet-4-5` |
42| [Amazon Bedrock (bedrock-runtime)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy) | `global.anthropic.claude-sonnet-4-5-20250929-v1:0` |
43| [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed) | `claude-sonnet-4-5@20250929` |
44| [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry) | `claude-sonnet-4-5` |
45| [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws) | `claude-sonnet-4-5` |
46| [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/anthropic-managed) | `claude-sonnet-4-5-20250929` |
4747 
4848### Pricing
4949 
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7272 
7373### Availability
7474 
75| Feature | Value |
76| :---------------------------------------------------------------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
77| [Status](https://platform.claude.com/docs/en/about-claude/model-deprecations) | Deprecated |
78| Released | September 29, 2025 |
79| Deprecated | September 30, 2026 |
80| Retires | November 30, 2026 |
81| Platforms | Claude API, [Amazon Bedrock (InvokeModel)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy), [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed), [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry), [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/anthropic-managed) |
75| Feature | Value |
76| :---------------------------------------------------------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
77| [Status](https://platform.claude.com/docs/en/about-claude/model-deprecations) | Deprecated |
78| Released | September 29, 2025 |
79| Deprecated | September 30, 2026 |
80| Retires | November 30, 2026 |
81| Platforms | Claude API, [Amazon Bedrock (bedrock-runtime)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy), [Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/google-managed), [Microsoft Foundry](https://platform.claude.com/docs/en/build-with-claude/claude-in-microsoft-foundry), [Claude Platform on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claude-models-on-google-cloud/anthropic-managed) |
8282 
8383## Resources
8484 
from line 115
115115 Lifecycle status and retirement commitments for every Claude model.
116116 </Card>
117117 
118 <Card title="Amazon Bedrock (Opus 4.6 and earlier)" icon="cloud" href="https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy">
119 Claude Sonnet 4.5 uses the InvokeModel Bedrock integration and Bedrock-style model IDs.
118 <Card title="Amazon Bedrock (bedrock-runtime)" icon="cloud" href="https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy">
119 Claude Sonnet 4.5 is on the `bedrock-runtime` endpoint (the InvokeModel and Converse APIs), with Bedrock-style model IDs.
120120 </Card>
121121</CardGroup>
122122 
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